Kate Davies was born and brought up in north-west London, UK. She studied English at Oxford University before becoming a writer and editor of children’s books. She also writes comedy scripts and is the author of the best-selling novel for adults, In At the Deep End, which published in 2019. Kate lives in east London with her wife.
Isabelle Follath lives in Zurich, Switzerland with her husband, her daughter, and her dog. She has been working as a freelance illustrator for advertizing agencies, magazines, and publishers for over 15 years, but Joy is her first picture book for children. Her work mainly uses ink, pencils, and watercolor, alongside digital techniques.